Free Linux Foundation OTCA Exam Questions

Become Linux Foundation Certified with updated OTCA exam questions and correct answers

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Total 354 Questions | Updated On: Dec 08, 2025

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Question 1

Which type of metric instrument in OpenTelemetry is best suited for capturing the current value of a resource, such as memory usage?

A : Histogram

B : Gauge

C : Summary

D : Counter

Answer: B

Question 2

How does the trace_id attribute function within multiple spans of a single trace?

A : trace_id changes for each new service involved in the trace.

B : Each span in a trace has a unique trace_id.

C : trace_id is only present in the root span.

D : All spans in a trace share the same trace_id to associate them with the same trace.

Answer: D

Question 3

Which type of metric instrument in OpenTelemetry is best suited for capturing the current value of a resource, such as memory usage?

A : Histogram

B : Gauge

C : Summary

D : Counter

Answer: B

Question 4

Which of the following best describes how OpenTelemetry ensures uniform enrichment of logs, traces, and metrics?

A : By defining a common set of attribute names and values applied uniformly across all telemetry signals.

B : By enforcing that only logs are enriched with additional attributes.

C : By requiring applications to manually add the same attributes to logs, traces, and metrics.

D : By using separate enrichment processes for each telemetry signal.

Answer: A

Question 5

Your telemetry data includes events within spans, and you need to rename the attribute 'db.session_id' to 'database.session_id' only for events within spans named 'checkout_service'. How should you configure the 'rename_attributes' transformation in the 'span_events' section of the schema file?

A : Use 'rename_attributes' in the 'span_events' section with 'apply_to_spans' set to ['checkout_service'].

B : Use 'rename_attributes' in the 'all' section with the attribute map.

C : Use 'rename_attributes' in the 'span_events' section with 'apply_to_events' set to ['checkout_service'].

D : Use 'rename_attributes' in the 'span_events' section without any conditional fields.

Answer: A

Page: 1 / 71

Total 354 Questions | Updated On: Dec 08, 2025

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